BAEL-3201 - Unit testing with Redis test containers

spring-boot-modules/spring-boot-testing-2/src/test/java/com/baeldung/redistestcontainers/service/ProductServiceIntegrationTest.java

@@ -0,0 +1,75 @@
+package com.baeldung.redistestcontainers.service;
+
+import com.baeldung.redistestcontainers.hash.Product;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.utility.DockerImageName;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+@SpringBootTest
+public class ProductServiceIntegrationTest {
+
+    static {
+        GenericContainer<?> redis = new GenericContainer<>(DockerImageName.parse("redis:5.0.3-alpine"))
+                .withExposedPorts(6379);
+        redis.start();
+        System.setProperty("spring.redis.host", redis.getHost());
+        System.setProperty("spring.redis.port", redis.getMappedPort(6379).toString());
+    }
+
+    @Autowired
+    private ProductService productService;
+
+    @Test
+    void testCreateProduct() {
+        Product product = new Product("1", "Test Product", 10.0);
+        productService.createProduct(product);
+        Product productFromDb = productService.getProduct("1");
+        assertEquals("1", productFromDb.getId());
+        assertEquals("Test Product", productFromDb.getName());
+        assertEquals(10.0, productFromDb.getPrice());
+    }
+
+    @Test
+    void testUpdateProduct() {
+        Product product = new Product("1", "Test Product", 10.0);
+        productService.createProduct(product);
+        Product productFromDb = productService.getProduct("1");
+        assertEquals("1", productFromDb.getId());
+        assertEquals("Test Product", productFromDb.getName());
+        assertEquals(10.0, productFromDb.getPrice());
+        productFromDb.setName("Updated Product");
+        productFromDb.setPrice(20.0);
+        productService.updateProduct(productFromDb);
+        Product updatedProductFromDb = productService.getProduct("1");
+        assertEquals("Updated Product", updatedProductFromDb.getName());
+        assertEquals(20.0, updatedProductFromDb.getPrice());
+    }
+
+    @Test
+    void testDeleteProduct() {
+        Product product = new Product("1", "Test Product", 10.0);
+        productService.createProduct(product);
+        Product productFromDb = productService.getProduct("1");
+        assertEquals("1", productFromDb.getId());
+        assertEquals("Test Product", productFromDb.getName());
+        assertEquals(10.0, productFromDb.getPrice());
+        productService.deleteProduct("1");
+        Product deletedProductFromDb = productService.getProduct("1");
+        assertNull(deletedProductFromDb);
+    }
+
+    @Test
+    void testGetProduct() {
+        Product product = new Product("1", "Test Product", 10.0);
+        productService.createProduct(product);
+        Product productFromDb = productService.getProduct("1");
+        assertEquals("1", productFromDb.getId());
+        assertEquals("Test Product", productFromDb.getName());
+        assertEquals(10.0, productFromDb.getPrice());
+    }
+}